Phthalimide

Phototransformation in water

Administrative data

Endpoint:

phototransformation in water

Type of information:

experimental study

Adequacy of study:

other information

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

study well documented, meets generally accepted scientific principles, acceptable for assessment

Data source

Reference

Reference 1

Title:

Kinetics and equilibrium in the ammonolysis of substituted phthalimides

Author:

McClelland RA, Seaman NE, Duff JM, and Branston RE

Year:

1985

Bibliographic source:

Can. J. Chem. 63, 121-128.

Reference 2

Reference Type:

secondary source

Title:

Phthalimide - CAS No: 85-41-6

Author:

OECD SIDS

Year:

2005

Bibliographic source:

SIDS Initial Assessment Report for 20th SIAM, UNEP Publications

Materials and methods

GLP compliance:

not specified

Test material

Test material information

Constituent 1

Reference substance name:

Phthalimide

EC Number:

201-603-3

EC Name:

Phthalimide

Cas Number:

85-41-6

Molecular formula:

C8H5NO2

IUPAC Name:

1H-isoindole-1,3(2H)-dione

Details on test material:

Phthalimide, reagent grade, purchased from Fischer Scientific

Study design

Light source:

other: UV-radiation, source unknown

Light spectrum: wavelength in nm:

> 260 - < 340

Duration of test at given test condition

Temp.:

25 °C

Initial conc. measured:

0.147 mg/L

Results and discussion

Spectrum of substance

Parameter:

max lambda

Value:

300 nm

Applicant's summary and conclusion

Conclusions:

The light absorption maximum at approximately 300 nm in water indicates that phthalimide may potentially undergo direct photolysis in water due to absorbance of environmental UV light.